The mission for the market and transmission arrangements for the New England Control Area, as implemented through the NEPOOL Agreement, the Participants Agreement, the Tariff, including but not limited to the Market Rules, the Market Participant Service Agreement, the TOA, and the System Rules is:

In fulfilling this mission and consistent with the preceding principles, the ISO shall strive to perform all its functions and services in a cost-effective manner, for the benefit of all those served by the ISO. To assist stakeholders in evaluating any major ISO initiative that affects market design, system planning or operation of the New England bulk power system, the ISO will provide quantitative and qualitative information on the need for and the impacts, including costs, of the initiative.